Finding the Third Proportional to 2,086,396 and 4,448,366

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086,396 : 4,448,366 = 4,448,366 : x
2. Step 2: Convert to fraction form
   2,086,396/4,448,366 = 4,448,366/x
3. Step 3: Cross multiply
   2,086,396x = 4,448,366 × 4,448,366
4. Step 4: Simplify right side
   2,086,396x = 19,787,960,069,956
5. Step 5: Solve for x
   x = 19,787,960,069,956/2,086,396
6. Step 6: Final answer
   x = 9,484,278.19